Re: [PATCH v3 0/5] dax: add PROBE_PREFER_ASYNCHRONOUS to all the dax drivers

[Dave Jiang]

On 10/24/25 2:05 PM, Michal Clapinski wrote:
> Comments in linux/device/driver.h say that the goal is to do async
> probing on all devices. The current behavior unnecessarily slows down
> the boot by synchronously probing dax devices, so let's change that.
> 
> For thousands of devices, this change saves >1s of boot time.
> 
> Michal Clapinski (5):
>   dax: add PROBE_PREFER_ASYNCHRONOUS to the pmem driver
>   dax: add PROBE_PREFER_ASYNCHRONOUS to the kmem driver
>   dax: add PROBE_PREFER_ASYNCHRONOUS to the cxl driver
>   dax: add PROBE_PREFER_ASYNCHRONOUS to the hmem drivers
>   dax: add PROBE_PREFER_ASYNCHRONOUS to the dax device driver
> 
>  drivers/dax/cxl.c       | 1 +
>  drivers/dax/device.c    | 3 +++
>  drivers/dax/hmem/hmem.c | 2 ++
>  drivers/dax/kmem.c      | 3 +++
>  drivers/dax/pmem.c      | 1 +
>  5 files changed, 10 insertions(+)
> 

Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
for the series